Compute the mean - Expert Work

Compute the mean - Expert Work

A. Compute the mean and range of each sample.

Sample
1
2
3
4
5
6
7
8
Avg.
 
B. Calculate the control limits for mean chart, and conclude if this process is in control or not according to the mean chart. If the process is not in control, please identify which sample(s) is (are) out of control.

C. Calculate the control limits for range chart, and conclude if this process is in control or not according to the range chart. If the process is not in control, please identify which sample(s) is (are) out of control.

 
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